CN101780703A - Demolding mechanism for arc-shaped elbow pipe - Google Patents
Demolding mechanism for arc-shaped elbow pipe Download PDFInfo
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- CN101780703A CN101780703A CN200910095718A CN200910095718A CN101780703A CN 101780703 A CN101780703 A CN 101780703A CN 200910095718 A CN200910095718 A CN 200910095718A CN 200910095718 A CN200910095718 A CN 200910095718A CN 101780703 A CN101780703 A CN 101780703A
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Abstract
The invention relates to a demolding mechanism for an arc-shaped elbow pipe. The elbow pipe comprises a two-way bent pipe and a three-way bent pipe, wherein a first pipe orifice and a second pipe orifice of the two-way bent pipe are respectively provided with a flaring opening; the three-way bent pipe is formed by extending a third pipe orifice at the middle part of the two-way bent pipe; and the third pipe orifice is communicated with the first pipe orifice and the second pipe orifice. A processing mold of the elbow pipe comprises a cavity mounted in a cavity fixing plate and a mold core mounted in a mold core fixing plate, and the cavity and the mold core form a mold cavity for a product. The demolding mechanism is characterized in that the mold core of a bent pipe mold comprises a main mold core, an arc-shaped mold core, a first flaring opening mold core and a second flaring opening mold core, wherein the main mold core and the cavity together form the outline of the product; two ends of the arc-shaped mold core are connected with the first flaring opening mold core and the second flaring opening mold core respectively so as to form the outline of the inner cavity of the product; the first flaring opening mold core and the second flaring opening mold core are driven by power; and the product is driven by a rotary ejection mechanism.
Description
Technical field
The present invention relates to be used to make the mould of plastics of bend pipe tools, particularly relate to the mould emptier of arc-shaped elbow pipe, belong to the mould of plastics field.
Background technology
Plastic pipe is widely used in the building water supply and drainage, and its pattern is a lot, as straight-through, elbow, threeway, four-way etc., can be divided into isometrical pipe fitting and reducing fittings again according to diameter.Existing bend pipe tools all is to be connected by two straight tubes, angle between two straight tubes has 60 °, 75 °, 90 °, 135 ° etc., the external diameter of two straight tubes is by arc transition, and the internal diameter of two straight tubes is by the transition of clear angle, so when injection mo(u)lding, adopt and directly get final product the demoulding to two side core-pullings, but the Qing Jiao junction intensity difference of this pipe, stressed poor, easily to break, profile is not attractive in appearance yet, if whole pipe fitting all can be adopted arc transition, promptly make arc-shaped elbow pipe, will improve mechanical performance greatly, but also do not have the plastic pipe of this arc elbow in the existing pipe fitting.
Summary of the invention
The objective of the invention is for a kind of product strength height of producing is provided, quality is good, good looking appearance, and the intensity of core is good, and after the die sinking, goods can fall down automatically, thereby enhance productivity, the mould emptier of the arc-shaped elbow pipe that reduces labor intensity.
The technical scheme of the mould emptier of arc-shaped elbow pipe of the present invention is: bend pipe tools comprises two logical bend pipe and threeway bend pipes; first mouth of pipe and second mouth of pipe of described two logical bend pipes are shaped on enlarging separately; described threeway bend pipe is to extend the 3rd mouth of pipe at the middle part of two logical bend pipes; the 3rd mouth of pipe communicates with first mouth of pipe and second mouth of pipe; the processing mold of bend pipe tools comprises die cavity that is installed in the impression bolster and the core that is installed in the core fixing plate; die cavity and core constitute the die cavity of goods; the core that it is characterized in that described bend pipe mould comprises main core; the arc core; the first enlarging core and the second enlarging core; main core and die cavity constitute the appearance profile of goods jointly; two of arc core is connected with the second enlarging core with the first enlarging core respectively; constitute the inner chamber profile of goods thus; the first enlarging core and the second enlarging core are driven by power, and goods are driven by the rotation ejecting mechanism.
The mould emptier of arc-shaped elbow pipe of the present invention, be applicable to and produce the arc-shaped elbow pipe that has enlarging, its profiled part is made of core and die cavity, core comprises main core, the arc core, the first enlarging core and the second enlarging core, main core and die cavity constitute the appearance profile of goods jointly, the arc core, the first enlarging core and the second enlarging core constitute the inner chamber profile of goods jointly, the arc elbow main body inner chamber of the corresponding goods of arc core, the first enlarging core and the second enlarging core be the enlarging inner chamber at the elbow main body two ends of corresponding goods respectively, the technical program has following advantage: first, first mouth of pipe links to each other through circular arc with second mouth of pipe, circular arc bonding strength height, good looking appearance; The second, enlarging position and arc elbow main body are one-body molded, can guarantee that each position wall thickness of goods is even, and quality is good; The 3rd, what the rotation ejecting mechanism drove is goods, but not the arc core, can guarantee the intensity of arc core, prolongs its service life; The 4th, the rotation ejecting mechanism comes off goods automatically, need not manual taking-up, enhances productivity greatly, reduces labor intensity.Its demoulding order is as follows: after the die sinking, earlier extract the first enlarging core and the second enlarging core out through power, eject goods together with the arc core in the goods by ejection system (ejection system of mould itself) then, goods are rotated the arc core, goods are come off automatically after rotate ejecting mechanism.
The mould emptier of arc-shaped elbow pipe of the present invention; its described arc is 180 °; 180 ° of arc cores comprise fixed core and swing core; fixedly one of core connects the first enlarging core; fixedly the other end of core is shaped on locating slot; one of the swing core is shaped on location lug; location lug matches with locating slot; the other end of swing core is connected with the second enlarging core, and the arc core is by the fixedly core and the demoulding of swing core substep of split, the first step; drive the swing core by the second enlarging core earlier; the swing core extracts and can not pull goods out smoothly along the inner chamber of second enlarging, in second step, makes fixedly core of goods disengaging; because fixedly the radian of core is less than 180 °; so when the rotation ejecting mechanism drives the goods rotation, can avoid its latter end to pull goods, guarantee quality of item.Its described fixedly core fixes through lead and core fixing plate, and lead passes the first enlarging core, makes the first enlarging core guidance quality good, extracts out steadily.Its described lead is shaped on groove facing to a side of swing core, and groove has been arranged, and can prevent that the goods head that rotates is out of shape because of running into lead.Its described second enlarging core is shaped on mesopore, stationary links in the mesopore, the head of connecting rod is connected with the swing core through bearing pin, connecting rod is positioned at the second enlarging core, compact conformation because the swing core is connected by bearing pin is active with connecting rod, can be swung arbitrarily around bearing pin so swing core, impel the cavity shape of its movement locus, avoid pulling goods along goods.Its described rotation ejecting mechanism comprises the rotating stripping demoulding piece, the upper surface of rotating stripping demoulding piece contacts with one of them enlarging end face of goods, one of the rotating stripping demoulding piece connects rotating shaft, rotating shaft connects gear, and wheel and rack is meshed, and tooth bar is driven by oil cylinder second, it is reciprocating that oil cylinder second drives tooth bar, gear rotates under the drive of tooth bar, and rotating shaft is rotated together with the rotating stripping demoulding piece, and the rotating stripping demoulding piece drives the fixedly core that goods detach the arc core.The outer wall of its described rotating shaft is shaped on dovetail groove, and one of the rotating stripping demoulding piece is shaped on dovetail, and dovetail matches with dovetail groove, connects reliable.When reality is made, can open the system arc notch on the right side of rotating stripping demoulding piece, and make the diameter of arc notch identical with the flared end diameter of goods, can alleviate the weight of mould, can prevent to greatest extent that again part from producing interference.Its described first enlarging core links to each other through connecting plate with the second enlarging core, and connecting plate is driven by the oil cylinder first, adopts same oil cylinder to drive the first enlarging core and the second enlarging core is extracted out together, compact conformation, stress balance.The middle part outer wall of its described arc core contacts with the 3rd mouth of pipe core; the right side of the 3rd mouth of pipe core connects Angle Pin; Angle Pin fixes through fixed block and die cavity; the 3rd mouth of pipe inner chamber of the corresponding goods of the 3rd mouth of pipe core; thereby form the threeway bend pipe; in mould die sinking process; clasp mould mechanism drives main core and breaks away from die cavity; Angle Pin is extracted the 3rd mouth of pipe core out from goods; extract the first enlarging core and the second enlarging core out through power again; goods are rotated the arc core, goods are come off automatically after rotate ejecting mechanism.The top of its described the 3rd mouth of pipe core is shaped on boss, a left side half end face of boss contacts with the locating piece first, locating piece first and main core fix, the right side half end face of boss contacts with locating piece second, locating piece second and die cavity fix, locating piece first and locating piece second have been arranged, the 3rd mouth of pipe core is resetted accurately, guaranteed the 3rd pipe of goods and the smooth surface that is connected of elbow main body.
Description of drawings
Fig. 1 is the structural representation of the processing mold of bend pipe tools of the present invention;
Fig. 2 is the mould emptier schematic perspective view of the processing mold of bend pipe tools of the present invention;
Fig. 3 is the mould emptier cross-sectional schematic of the processing mold of bend pipe tools of the present invention;
Fig. 4 is the schematic perspective view of rotation ejecting mechanism.
The specific embodiment
The present invention relates to the mould emptier of arc-shaped elbow pipe; bend pipe tools comprises two logical bend pipe and threeway bend pipes; first mouth of pipe and second mouth of pipe of described two logical bend pipes are shaped on enlarging separately; described threeway bend pipe (its structure as shown in Figure 4) is to extend the 3rd mouth of pipe 83 at the middle part of two logical bend pipes; the 3rd mouth of pipe 83 communicates with first mouth of pipe 81 and second mouth of pipe 82; as Fig. 1-shown in Figure 4; the processing mold of bend pipe tools comprises die cavity 2 that is installed in the impression bolster 1 and the core that is installed in the core fixing plate 3; die cavity 2 and core constitute the die cavity 11 of goods; the core that it is characterized in that described bend pipe mould comprises main core 12; the arc core; the first enlarging core 15 and the second enlarging core 16; main core 12 and the die cavity 2 common appearance profiles that constitute goods; two of arc core is connected with the second enlarging core 16 with the first enlarging core 15 respectively; constitute the inner chamber profile of goods thus; the first enlarging core 15 and the second enlarging core 16 are driven by power, and goods are driven by the rotation ejecting mechanism.The technical program is applicable to produces the arc-shaped elbow pipe that has enlarging, its profiled part is made of core and die cavity 2, core comprises main core 12, the arc core, the first enlarging core 15 and the second enlarging core 16, main core 12 and the die cavity 2 common appearance profiles that constitute goods 8, the arc core, the first enlarging core 15 and the second enlarging core, the 16 common inner chamber profiles that constitute goods 8, the elbow main body inner chamber of the corresponding goods 8 of arc core, the first enlarging core 15 and the second enlarging core 16 be the enlarging inner chamber at the elbow main body two ends of corresponding goods respectively, the technical program has following outstanding advantage: first, first mouth of pipe links to each other through circular arc with second mouth of pipe, circular arc bonding strength height, good looking appearance; The second, enlarging position and arc elbow main body are one-body molded, can guarantee that each position wall thickness of goods is even, and quality is good; The 3rd, what the rotation ejecting mechanism drove is goods, but not the arc core, can guarantee the intensity of arc core, prolongs its service life; The 4th, the rotation ejecting mechanism comes off goods automatically, need not manual taking-up, enhances productivity greatly, reduces labor intensity.Its demoulding order is as follows: after the die sinking, earlier extract the first enlarging core 15 and the second enlarging core 16 out through power, eject goods 8 together with the arc core in the goods 8 by ejection system (ejection system of mould itself) then, goods are rotated the arc core, goods are come off automatically after rotate ejecting mechanism.As shown in Figure 3, its described arc is 180 °, 180 ° of arc cores comprise fixed core 13 and swing core 19, fixedly one of core 13 connects the first enlarging core 15, fixedly the other end of core 13 is shaped on locating slot 131, one of swing core 19 is shaped on location lug 191, location lug 191 matches with locating slot 131, the other end of swing core 19 is connected with the second enlarging core 16, the arc core is by the fixedly core 13 and the 19 substep demouldings of swing core of split, the first step, drive swing core 19 by the second enlarging core 16 earlier and break away from goods 8, swing core 19 extracts and can not pull goods out smoothly along the inner chamber of second enlarging, in second step, makes fixedly core 13 of goods 8 disengagings, because fixedly the radian of core is less than 180 °, so when the rotation ejecting mechanism drives the goods rotation, can avoid its latter end to pull goods, guarantee quality of item.Its described fixedly core 13 fixes through lead 9 and core fixing plate 3, and lead 9 passes the first enlarging core 15, makes the first enlarging core, 15 guidance quality good, extracts out steadily.Its described lead 9 is shaped on groove 91 facing to a side of swing core 19, and groove has been arranged, and can prevent that the goods head that rotates is out of shape because of running into lead 9.Its described second enlarging core 16 is shaped on mesopore 161, stationary links 44 in the mesopore 161, the head of connecting rod 44 is connected with swing core 19 through bearing pin 45, connecting rod 44 is positioned at the second enlarging core 16, compact conformation is because swing core 19 and connecting rod 44 by 45 active connections of bearing pin, can be swung arbitrarily around bearing pin 45 so swing core 19, impel the cavity shape of its movement locus, avoid pulling goods along goods.As shown in Figure 4, its described rotation ejecting mechanism comprises rotating stripping demoulding piece 31, one of them enlarging end face of the upper surface of rotating stripping demoulding piece 31 and goods (generally being the enlarging end face that is positioned at 13 sections of fixing cores) contacts, one of rotating stripping demoulding piece 31 connects rotating shaft 32, rotating shaft 32 connects gear 33, gear 33 is meshed with tooth bar 34, tooth bar 34 is driven by oil cylinder second 35, it is reciprocating that oil cylinder second 35 drives tooth bar 34, gear 33 rotates under the drive of tooth bar 34, make rotating shaft 32 together with 31 rotations of rotating stripping demoulding piece, rotating stripping demoulding piece 31 drives the fixedly core 13 that goods 8 detach the arc core, and tooth bar 34 can adopt tongue-and-groove (matching with dovetail as dovetail groove) with the piston rod of oil cylinder second 35, syndetons such as screw thread.When reality is made, can open system arc notch 312 on the right side of rotating stripping demoulding piece 31, and make the diameter of arc notch 312 identical with the flared end diameter of goods 8, so not only can alleviate the weight of mould, can prevent to greatest extent that again part from producing interference.This rotation ejecting mechanism also can be used for other plastic products, as handle of arc etc.The outer wall of its described rotating shaft 32 is shaped on dovetail groove 321, and one of rotating stripping demoulding piece 31 is shaped on dovetail 311, and dovetail 311 matches with dovetail groove 321, makes to connect reliably.Its described first enlarging core 15 links to each other through connecting plate 23 with the second enlarging core 16, connecting plate 23 is driven by oil cylinder first 24, oil cylinder first 24 can be fixed on the oil cylinder installing plate 26, oil cylinder installing plate 26 fixes with core fixing plate 3, adopt same oil cylinder to drive the first enlarging core and the second enlarging core is extracted out together, compact conformation, stress balance.The middle part outer wall of its described arc core contacts with the 3rd mouth of pipe core 14; the right side of the 3rd mouth of pipe core 14 connects Angle Pin 17; Angle Pin 17 fixes through fixed block 18 and die cavity 2; the 3rd mouth of pipe inner chamber of the 3rd mouth of pipe core 14 corresponding goods; thereby form the threeway bend pipe; in mould die sinking process; clasp mould mechanism drives main core 12 and breaks away from die cavity 2; Angle Pin 17 is extracted the 3rd mouth of pipe core 14 out from goods 8; extract the first enlarging core 15 and the second enlarging core 16 out through power again; goods are rotated the arc core, goods are come off automatically after rotate ejecting mechanism.The top of its described the 3rd mouth of pipe core 14 is shaped on boss 141, a left side half end face of boss 141 contacts with locating piece first 21, locating piece first 21 fixes with main core 12, the right side half end face of boss 141 contacts with locating piece second 22, locating piece second 22 fixes with die cavity 2, locating piece first and locating piece second have been arranged, the 3rd mouth of pipe core 14 is resetted accurately, guaranteed the 3rd pipe of goods and the smooth surface that is connected of elbow main body.
Claims (10)
1. the mould emptier of arc-shaped elbow pipe; bend pipe tools comprises two logical bend pipe and threeway bend pipes; first mouth of pipe and second mouth of pipe of described two logical bend pipes are shaped on enlarging separately; described threeway bend pipe is to extend the 3rd mouth of pipe at the middle part of two logical bend pipes; the 3rd mouth of pipe communicates with first mouth of pipe and second mouth of pipe; the processing mold of bend pipe tools comprises and is installed in the die cavity (2) in the impression bolster (1) and is installed in the interior core of core fixing plate (3); die cavity (2) and core constitute the die cavity (11) of goods; the core that it is characterized in that described bend pipe mould comprises main core (12); the arc core; the first enlarging core (15) and the second enlarging core (16); main core (12) and die cavity (2) constitute the appearance profile of goods jointly; two of arc core is connected with the second enlarging core (16) with the first enlarging core (15) respectively; constitute the inner chamber profile of goods thus; the first enlarging core (15) and the second enlarging core (16) are driven by power, and goods are driven by the rotation ejecting mechanism.
2. the mould emptier of arc-shaped elbow pipe as claimed in claim 1; it is characterized in that described arc is 180 °; 180 ° of arc cores comprise fixed core (13) and swing core (19); fixedly one of core (13) connects the first enlarging core (15); fixedly the other end of core (13) is shaped on locating slot (131); one of swing core (19) is shaped on location lug (191); location lug (191) matches with locating slot (131), and the other end of swing core (19) is connected with the second enlarging core (16).
3. the mould emptier of arc-shaped elbow pipe as claimed in claim 2 is characterized in that described fixedly core (13) fixes through lead (9) and core fixing plate (3), and lead (9) passes the first enlarging core (15).
4. the mould emptier of arc-shaped elbow pipe as claimed in claim 3 is characterized in that described lead (9) is shaped on groove (91) facing to a side of swing core (19).
5. the mould emptier of arc-shaped elbow pipe as claimed in claim 2; it is characterized in that the described second enlarging core (16) is shaped on mesopore (161); the interior stationary links of mesopore (161) (44), the head of connecting rod (44) is connected with swing core (19) through bearing pin (45).
6. the mould emptier of arc-shaped elbow pipe as claimed in claim 1; it is characterized in that described rotation ejecting mechanism comprises rotating stripping demoulding piece (31); the upper surface of rotating stripping demoulding piece (31) contacts with one of them enlarging end face of goods; one of rotating stripping demoulding piece (31) connects rotating shaft (32); rotating shaft (32) connects gear (33); gear (33) is meshed with tooth bar (34), and tooth bar (34) is driven by oil cylinder second (35).
7. the mould emptier of arc-shaped elbow pipe as claimed in claim 6; the outer wall that it is characterized in that described rotating shaft (32) is shaped on dovetail groove (321); one of rotating stripping demoulding piece (31) is shaped on dovetail (311), and dovetail (311) matches with dovetail groove (321).
8. the mould emptier of arc-shaped elbow pipe as claimed in claim 1 is characterized in that the described first enlarging core (15) links to each other through connecting plate (23) with the second enlarging core (16), and connecting plate (23) is driven by oil cylinder first (24).
9. the mould emptier of arc-shaped elbow pipe as claimed in claim 1; the middle part outer wall that it is characterized in that described arc core contacts with the 3rd mouth of pipe core (14); the right side of the 3rd mouth of pipe core (14) connects Angle Pin (17), and Angle Pin (17) fixes through fixed block (18) and die cavity (2).
10. the mould emptier of arc-shaped elbow pipe as claimed in claim 9; the top that it is characterized in that described the 3rd mouth of pipe core (14) is shaped on boss (141); a left side half end face of boss (141) contacts with locating piece first (21); locating piece first (21) fixes with main core (12); the right side half end face of boss (141) contacts with locating piece second (22), and locating piece second (22) fixes with die cavity (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910095718A CN101780703A (en) | 2009-01-16 | 2009-01-16 | Demolding mechanism for arc-shaped elbow pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910095718A CN101780703A (en) | 2009-01-16 | 2009-01-16 | Demolding mechanism for arc-shaped elbow pipe |
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| Publication Number | Publication Date |
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| CN101780703A true CN101780703A (en) | 2010-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910095718A Pending CN101780703A (en) | 2009-01-16 | 2009-01-16 | Demolding mechanism for arc-shaped elbow pipe |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211127A (en) * | 2011-03-22 | 2011-10-12 | 佛山市顺德区燉煌五金塑料实业有限公司 | T-shaped tee joint full-automatic orifice expanding machine and tee joint orifice expanding method thereof |
| CN102310527A (en) * | 2011-09-07 | 2012-01-11 | 宁波双林模具有限公司 | Explorator core loosing apparatus for arc sliding core |
| CN105666763A (en) * | 2016-01-01 | 2016-06-15 | 珠海正川塑胶制品有限公司 | Silica gel bent pipe forming mold and production process of silica gel bent pipe |
| CN109774069A (en) * | 2019-03-01 | 2019-05-21 | 台州市黄岩炜大塑料机械有限公司 | One goes out two threeway internal thread tube piece demoulding mechanisms |
| CN110435097A (en) * | 2019-08-16 | 2019-11-12 | 台州市黄岩炜大塑料机械有限公司 | U-shaped bending mould hook rotating core-pulling mechanism |
| CN110435096A (en) * | 2019-08-16 | 2019-11-12 | 台州市黄岩炜大塑料机械有限公司 | The U-shaped curved injection mold of rotary core pulling is integrally ejected with product |
| CN110774539A (en) * | 2019-11-26 | 2020-02-11 | 乔丰科技实业（深圳）有限公司 | Slide structure of pipe bending die and pipe bending die |
| CN114619638A (en) * | 2022-03-10 | 2022-06-14 | 深圳市众为精密科技有限公司 | 5G mobile phone precision structural part based on composite core-pulling mechanism inner wall demoulding |
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2009
- 2009-01-16 CN CN200910095718A patent/CN101780703A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211127A (en) * | 2011-03-22 | 2011-10-12 | 佛山市顺德区燉煌五金塑料实业有限公司 | T-shaped tee joint full-automatic orifice expanding machine and tee joint orifice expanding method thereof |
| CN102310527A (en) * | 2011-09-07 | 2012-01-11 | 宁波双林模具有限公司 | Explorator core loosing apparatus for arc sliding core |
| CN105666763A (en) * | 2016-01-01 | 2016-06-15 | 珠海正川塑胶制品有限公司 | Silica gel bent pipe forming mold and production process of silica gel bent pipe |
| CN109774069A (en) * | 2019-03-01 | 2019-05-21 | 台州市黄岩炜大塑料机械有限公司 | One goes out two threeway internal thread tube piece demoulding mechanisms |
| CN109774069B (en) * | 2019-03-01 | 2024-05-14 | 台州市黄岩炜大塑料机械有限公司 | Demolding mechanism for one-out-two three-way internal thread pipe fitting mold |
| CN110435097A (en) * | 2019-08-16 | 2019-11-12 | 台州市黄岩炜大塑料机械有限公司 | U-shaped bending mould hook rotating core-pulling mechanism |
| CN110435096A (en) * | 2019-08-16 | 2019-11-12 | 台州市黄岩炜大塑料机械有限公司 | The U-shaped curved injection mold of rotary core pulling is integrally ejected with product |
| CN110774539A (en) * | 2019-11-26 | 2020-02-11 | 乔丰科技实业（深圳）有限公司 | Slide structure of pipe bending die and pipe bending die |
| CN114619638A (en) * | 2022-03-10 | 2022-06-14 | 深圳市众为精密科技有限公司 | 5G mobile phone precision structural part based on composite core-pulling mechanism inner wall demoulding |
| CN114619638B (en) * | 2022-03-10 | 2024-03-26 | 深圳市众为精密科技有限公司 | 5G mobile phone precise structural member based on inner wall demolding of composite core-pulling mechanism |
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Application publication date: 20100721 |